RER NELY04

RER
Saint-Germain-en-LayeBoissy-Saint-Léger
Passage confirmedPassage confirmed by the source at one or more stops. Other times are estimated.

Punctuality : 88% on time · average delay +2.5 min · over 8 observed days

Usually

Usual times are calculated from past runs. See the selected run’s timetable below.

Departs
12:15
Arrives
13:17
Journey time
1 h 02
Stops
24
Runs
Weekends

Stops on the latest run

24 stops passed : 13 confirmed by the source, 11 from the forecast. Latest source data: 3 h 46 ago.

Run ended according to the timetable

Estimated progress: filled dots before the next stop, a ring at the next stop, empty dots afterwards. Passages not confirmed.

  1. Earlier stop (estimated)
    Saint-Germain-en-Laye
    Arrival
    Scheduled time
    Departure
    Scheduled time
    Predicted by the source(0′)
    Passed according to the source forecast (data 5 h 32 old)
  2. Earlier stop (estimated)
    Le Vésinet - Le Pecq
    Arrival
    Scheduled time
    Confirmed by the source(+18′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(+18′)
  3. Earlier stop (estimated)
    Le Vésinet - Centre
    Arrival
    Scheduled time
    Confirmed by the source(+18′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(+18′)
  4. Earlier stop (estimated)
    Chatou - Croissy
    Arrival
    Scheduled time
    Confirmed by the source(+18′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(+18′)
  5. Earlier stop (estimated)
    Rueil-Malmaison
    Arrival
    Scheduled time
    Predicted by the source(+18′)
    Departure
    Scheduled time
    Predicted by the source(+18′)
    Passed according to the source forecast (data 5 h 10 old)
  6. Earlier stop (estimated)
    Nanterre - Ville
    Arrival
    Scheduled time
    Predicted by the source(+18′)
    Departure
    Scheduled time
    Predicted by the source(+18′)
    Passed according to the source forecast (data 5 h 08 old)
  7. Earlier stop (estimated)
    Nanterre Université
    Arrival
    Scheduled time
    Predicted by the source(+18′)
    Departure
    Scheduled time
    Predicted by the source(+18′)
    Passed according to the source forecast (data 5 h 05 old)
  8. Earlier stop (estimated)
    Nanterre - Préfecture
    Arrival
    Scheduled time
    Predicted by the source(+18′)
    Departure
    Scheduled time
    Predicted by the source(+18′)
    Passed according to the source forecast (data 5 h 03 old)
  9. Earlier stop (estimated)
    La Défense
    Arrival
    Scheduled time
    Confirmed by the source(+19′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(+19′)
  10. Earlier stop (estimated)
    Charles de Gaulle - Étoile
    Arrival
    Scheduled time
    Confirmed by the source(+19′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(+19′)
  11. Earlier stop (estimated)
    Auber
    Arrival
    Scheduled time
    Predicted by the source(+19′)
    Departure
    Scheduled time
    Predicted by the source(+19′)
    Passed according to the source forecast (data 4 h 56 old)
  12. Earlier stop (estimated)
    Châtelet - Les Halles
    Arrival
    Scheduled time
    Confirmed by the source(+19′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(+19′)
  13. Earlier stop (estimated)
    Gare de Lyon
    Arrival
    Scheduled time
    Confirmed by the source(+19′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(+19′)
  14. Earlier stop (estimated)
    Nation
    Arrival
    Scheduled time
    Predicted by the source(+19′)
    Departure
    Scheduled time
    Predicted by the source(+19′)
    Passed according to the source forecast (data 4 h 45 old)
  15. Earlier stop (estimated)
    Vincennes
    Arrival
    Scheduled time
    Confirmed by the source(+19′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(+19′)
  16. Earlier stop (estimated)
    Fontenay-sous-Bois
    Arrival
    Scheduled time
    Confirmed by the source(+19′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(+19′)
  17. Earlier stop (estimated)
    Nogent-sur-Marne
    Arrival
    Scheduled time
    Confirmed by the source(+19′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(+19′)
  18. Earlier stop (estimated)
    Joinville-le-Pont
    Arrival
    Scheduled time
    Predicted by the source(+19′)
    Departure
    Scheduled time
    Predicted by the source(+19′)
    Passed according to the source forecast (data 4 h 34 old)
  19. Earlier stop (estimated)
    Saint-Maur - Créteil
    Arrival
    Scheduled time
    Predicted by the source(+19′)
    Departure
    Scheduled time
    Predicted by the source(+19′)
    Passed according to the source forecast (data 4 h 32 old)
  20. Earlier stop (estimated)
    Le Parc de Saint-Maur
    Arrival
    Scheduled time
    Predicted by the source(+19′)
    Departure
    Scheduled time
    Predicted by the source(+19′)
    Passed according to the source forecast (data 4 h 31 old)
  21. Earlier stop (estimated)
    Champigny
    Arrival
    Scheduled time
    Confirmed by the source(+19′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(+19′)
  22. Earlier stop (estimated)
    La Varenne - Chennevières
    Arrival
    Scheduled time
    Confirmed by the source(+19′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(+19′)
  23. Earlier stop (estimated)
    Sucy - Bonneuil
    Arrival
    Scheduled time
    Confirmed by the source(+19′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(+19′)
  24. Earlier stop (estimated)
    Boissy-Saint-Léger
    Arrival
    Scheduled time
    Predicted by the source(+19′)
    Departure
    Scheduled time
    Passed according to the source forecast (data 4 h 13 old)

Punctuality of recorded routes

Reported delays per run with a complete route; separate from the ranking sample. A predicted delay does not confirm a passage.

runs reported on time88%
average delay+2.5 min
max delay+22 min
runs reported8
stops24
0m10m20m10/1018/101/11
Delay values
DateDelay (min)
2026-10-100.2916666666666667
2026-10-110.2916666666666667
2026-10-170.21739130434782608
2026-10-180.041666666666666664
2026-10-24-0.34782608695652173
2026-10-25-0.2916666666666667
2026-10-31-0.13043478260869565
2026-11-0119.541666666666668
Historical average delay — home ranking: +2.6 min (over 8 runs)

Average of available delays per run over the 30 days before calculation, with equal weight for each eligible run. This is not the current delay.

Runs used: 8. Calculated on: (Europe/Paris).

This average can be available without a complete route. The route statistics below use only recorded routes with their stops.

Calculation window: 10/2/2026, 3:30:52 PM – 11/1/2026, 2:30:52 PM (Europe/Paris).

Runs in the window
8
Events confirmed by the source
0
Events predicted by the source
8
Unknown event type
0
Cancelled runs, excluded
0
No usable delay, excluded
0

Latest source timestamp: 11/1/2026, 1:39:30 PM (Europe/Paris).

Runs are identified within each source. Identities across sources are kept separate without a proven match. Exclusions can overlap.

Typical schedule

Stops and times of RER NELY04 from Saint-Germain-en-Laye to Boissy-Saint-Léger on a typical weekday. Actual times may vary.

StopArrivalDeparture
Saint-Germain-en-Laye12:1512:15
Le Vésinet - Le Pecq12:1812:18
Le Vésinet - Centre12:2012:20
Chatou - Croissy12:2212:23
Rueil-Malmaison12:2412:25
Nanterre - Ville12:2712:27
Nanterre Université12:2912:29
Nanterre - Préfecture12:3112:32
La Défense12:3312:34
Charles de Gaulle - Étoile12:3812:38
Auber12:4112:42
Châtelet - Les Halles12:4412:45
Gare de Lyon12:4712:48
Nation12:5012:51
Vincennes12:5312:54
Fontenay-sous-Bois12:5612:57
Nogent-sur-Marne12:5812:59
Joinville-le-Pont13:0113:01
Saint-Maur - Créteil13:0313:04
Le Parc de Saint-Maur13:0513:05
Champigny13:0713:08
La Varenne - Chennevières13:0913:10
Sucy - Bonneuil13:1213:13
Boissy-Saint-Léger13:1713:17

Frequently asked questions

What time does RER NELY04 depart?

RER NELY04 departs from Saint-Germain-en-Laye at 12:15 (typical schedule from reported times). Actual times may vary.

How many stops does RER NELY04 make?

RER NELY04 connects Saint-Germain-en-Laye to Boissy-Saint-Léger with 24 stops.

Is RER NELY04 on time?

Over the reported runs, RER NELY04 was reported on time 88% of runs, with an average delay of 2.5 minutes.

Other trains on this line

Live status and delays for the other trains serving the same stations.

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